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Synergistic effect of surface plane and particle sizes on the electrochemical performance of LiNi0.5Mn1.5O4 cathode material via a facile calcination process

文献类型：期刊论文

作者Shu, Yang1,4; Xie, Yin3; Yan, Wenchao2; Meng, Su1,4; Sun, Deye4; Jin, Yongcheng1,4; He, Kuang5
刊名JOURNAL OF POWER SOURCES
出版日期2019-09-01
卷号433页码:9
ISSN号0378-7753
DOI10.1016/j.jpowsour.2019.226708
通讯作者Yan, Wenchao(yanwenchao@lyu.edu.cn) ; Jin, Yongcheng(jinyc@qibebt.ac.cn) ; He, Kuang()
英文摘要A series of LiNi0.5Mn1.5O4 cathode samples with different morphologies was synthesized via a template method and facile post-calcination process. Rod-like and truncated octahedral particles with {111} surface are obtained through increasing the calcination temperature. The exposed surface of as-prepared materials is mainly detected by SEM and TEM images. Detailed characterization of electrochemical performance of samples reflects that the T-775 cathode sample displays superior rate capability, and the discharge capacity reaches 108.2 mAh g(-1) at 100C. The energy density of full cells, T-775 sample as the cathode material and commercial graphite as the anode material, retain 534.9 Wh kg(-1) after 100 cycles. These improvements might be due to the synergistic effect of the {111} surface and smaller particle sizes, which improves interfacial stability and reduces the diffusion distance of Li+ during the interaction/deinteraction process.
资助项目Instrument Developing Project of the Chinese Academy of Sciences[YZ201641] ; China-Japanese Research Cooperative Program ; Ministry of Science and Technology of the People's Republic of China[SQ2017YFGH001127]
WOS研究方向Chemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
语种英语
WOS记录号WOS:000480670200027
出版者ELSEVIER
资助机构Instrument Developing Project of the Chinese Academy of Sciences ; China-Japanese Research Cooperative Program ; Ministry of Science and Technology of the People's Republic of China
源URL[http://ir.imr.ac.cn/handle/321006/135072]  
专题金属研究所_中国科学院金属研究所
通讯作者Yan, Wenchao; Jin, Yongcheng; He, Kuang
作者单位1.Ocean Univ China, Sch Mat Sci & Engn, Qingdao 266100, Shandong, Peoples R China
2.Linyi Univ, Sch Mat Sci & Engn, Linyi 276000, Shandong, Peoples R China
3.Tsinghua Univ, Dept Chem Engn, Beijing 100084, Peoples R China
4.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Shandong, Peoples R China
5.Chinese Acad Sci, Inst Met Res, Wenhua Rd 72, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式
GB/T 7714		 Shu, Yang,Xie, Yin,Yan, Wenchao,et al. Synergistic effect of surface plane and particle sizes on the electrochemical performance of LiNi0.5Mn1.5O4 cathode material via a facile calcination process[J]. JOURNAL OF POWER SOURCES,2019,433:9.
APA Shu, Yang.,Xie, Yin.,Yan, Wenchao.,Meng, Su.,Sun, Deye.,...&He, Kuang.(2019).Synergistic effect of surface plane and particle sizes on the electrochemical performance of LiNi0.5Mn1.5O4 cathode material via a facile calcination process.JOURNAL OF POWER SOURCES,433,9.
MLA Shu, Yang,et al."Synergistic effect of surface plane and particle sizes on the electrochemical performance of LiNi0.5Mn1.5O4 cathode material via a facile calcination process".JOURNAL OF POWER SOURCES 433(2019):9.

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来源：金属研究所

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